diff --git a/deepQlearn_0/src/deepQlearning/learn_to_drive.c b/deepQlearn_0/src/deepQlearning/learn_to_drive.c
index debedff..eb63f80 100644
--- a/deepQlearn_0/src/deepQlearning/learn_to_drive.c
+++ b/deepQlearn_0/src/deepQlearning/learn_to_drive.c
@@ -260,7 +260,11 @@ void free_print_params (struct print_params *pprint){
 }
 
 void free_qlearning_params(struct qlearning_params *q_params){
-  if(q_params->caller_func_name) free(q_params->caller_func_name);
+    printf("free qlearning_params");
+  if(q_params->caller_func_name!=NULL) {
+    printf("free caller_func_name");
+    free(q_params->caller_func_name);
+  }
   free(q_params);
 }
 void free_RL_agent(struct RL_agent *rlAgent){